| 1 | KAI | KaiserAir, Inc. | IATA: KI, Callsign: Kaiser, Designator KI recalled by IATA | USA | AVCODES |
| 2 | KAI | KaiserAir, Inc. | Callsign: Kaiser, Designator KI recalled by IATA | USA | AVCODES |
| 3 | KAI | Kaiser Air | | | ICAO1 |
| 4 | KAI | Kereta Api Indonesia | | RI | TRAFFIC |
| 5 | KAIA | KAISER LOGISTICS INC | | | SCAC4 |
| 6 | KAIC | PT Kereta Commuter Indonesia | | RI | TRAFFIC |
| 7 | KAIN | KAIRON TRANSPORT | | | SCAC4 |
| 8 | KAIP | KAISER TRANSPORT INC | | | SCAC4 |
| 9 | KAIQ | KEARNEY ASSOCIATES INC | | | SCAC4 |
| 10 | KAIR | KELLY AIR EXPRESS INC | | | SCAC3 |
| 11 | KAIR | KAIRO, JEFF TRUCKING INC | | | SCAC4 |
| 12 | KAIS | KAISER SHIPPING | | | SCAC3 |
| 13 | KAIS | KAISER TRUCKING INC | | | SCAC4 |
| 14 | KAIU | PT KAISO GLOBAL MARITIM | | RI | BIC |
| 15 | KAIV | KAI TAK | | | SCAC4 |
| 16 | KAIX | Rinker Materials Corp. | added 1/1989; 1/1994-7/2005; eliminated 10/2006 | | NAKINA |
| 17 | KAIX | Rinker Materials Corp. | added 1/89; 1/94-7/2000 | | NRHS |
| 18 | KAIX | RINKER MATERIALS CORPORATION | | | PWRC |
| 19 | KAIX | Rinker Materials Corporation | | | RSRV |